CA2501108A1 - Optimum interpolator method and apparatus for digital timing adjustment - Google Patents

Optimum interpolator method and apparatus for digital timing adjustment Download PDF

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Publication number
CA2501108A1
CA2501108A1 CA002501108A CA2501108A CA2501108A1 CA 2501108 A1 CA2501108 A1 CA 2501108A1 CA 002501108 A CA002501108 A CA 002501108A CA 2501108 A CA2501108 A CA 2501108A CA 2501108 A1 CA2501108 A1 CA 2501108A1
Authority
CA
Canada
Prior art keywords
timing
estimate
code
received signal
interpolator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002501108A
Other languages
English (en)
French (fr)
Inventor
Aykut Bultan
Donald M. Grieco
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital Technology Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2501108A1 publication Critical patent/CA2501108A1/en
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70756—Jumping within the code, i.e. masking or slewing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0004—Initialisation of the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Error Detection And Correction (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)
CA002501108A 2002-10-02 2003-09-30 Optimum interpolator method and apparatus for digital timing adjustment Abandoned CA2501108A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US41568202P 2002-10-02 2002-10-02
US60/415,682 2002-10-02
PCT/US2003/030973 WO2004032407A1 (en) 2002-10-02 2003-09-30 Optimum interpolator method and apparatus for digital timing adjustment

Publications (1)

Publication Number Publication Date
CA2501108A1 true CA2501108A1 (en) 2004-04-15

Family

ID=32069898

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002501108A Abandoned CA2501108A1 (en) 2002-10-02 2003-09-30 Optimum interpolator method and apparatus for digital timing adjustment

Country Status (14)

Country Link
US (1) US7206335B2 (de)
EP (1) EP1552641B1 (de)
JP (1) JP4237143B2 (de)
KR (2) KR100875693B1 (de)
CN (2) CN100452694C (de)
AR (1) AR041468A1 (de)
AU (1) AU2003279085A1 (de)
CA (1) CA2501108A1 (de)
DE (1) DE60317697T2 (de)
ES (1) ES2295656T3 (de)
MX (1) MXPA05003548A (de)
NO (1) NO20052000L (de)
TW (4) TW200733682A (de)
WO (1) WO2004032407A1 (de)

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US7096132B2 (en) * 2002-10-17 2006-08-22 Qualcomm Incorporated Procedure for estimating a parameter of a local maxima or minima of a function
US6873910B2 (en) 2002-10-22 2005-03-29 Qualcomm Incorporated Procedure for searching for position determination signals using a plurality of search modes
SG121741A1 (en) * 2002-10-30 2006-05-26 Stmicooelectronics Asia Pacifi Method and apparatus for a control signal generating circuit
BR0215940A (pt) * 2002-11-15 2005-09-06 Telecom Italia Spa Método para sincronização fina de um receptor de telecomunicação digital, e, receptor de comunicação digital
US7292619B2 (en) * 2003-03-03 2007-11-06 Mitsubishi Electric Research Laboratories Method and system for acquiring ultra-wide-bandwidth communications signals using sequential block searches
US7194279B2 (en) * 2003-05-23 2007-03-20 Nokia Corporation Adjustment of a phase difference between two signals
KR100547737B1 (ko) * 2003-06-10 2006-01-31 삼성전자주식회사 직접시퀀스 부호분할다중접속 이동통신시스템에서 레이크수신장치 및 방법
US20050169353A1 (en) * 2004-02-02 2005-08-04 Wei An Post despreading interpolation in CDMA systems
GB0418133D0 (en) 2004-08-13 2004-09-15 Ttp Communications Ltd Sample acquisition timing adjustment
US7222035B1 (en) * 2004-11-17 2007-05-22 Topcon Gps, Llc Method and apparatus for determining changing signal frequency
ATE424080T1 (de) * 2005-07-01 2009-03-15 Sequans Comm Verfahren und system zur synchronisation eines teilnehmerkommunikationsgeräts mit einer basisstation eines drahtlosen kommunikationssystems
JP4179418B2 (ja) * 2005-07-13 2008-11-12 京セラ株式会社 無線受信装置
JP4724747B2 (ja) * 2006-03-31 2011-07-13 富士通株式会社 Ｃｄｍａ受信装置及びｃｄｍａ受信方法
US7599454B2 (en) * 2006-07-24 2009-10-06 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for symbol alignment in diversity signal reception
US7382292B1 (en) * 2006-11-10 2008-06-03 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for efficient signal interpolation
KR101490342B1 (ko) * 2007-11-26 2015-02-05 삼성전자주식회사 이동통신 시스템의 채널 추정 장치 및 방법
US20100060557A1 (en) * 2008-09-10 2010-03-11 Himax Technologies Limited Data de-skew block device and method of de-skewing transmitted data
US9240816B2 (en) 2013-08-09 2016-01-19 Samsung Electronics Co., Ltd. Timing synchronization system and method of super regenerative receiver based on ultra low power communication
CN103973276B (zh) * 2014-04-26 2016-09-14 长沙云腾微电子有限公司 一种解调阈值自校准方法与电路
KR20160113341A (ko) * 2015-03-18 2016-09-29 에스케이하이닉스 주식회사 위상 보간 회로, 이를 포함하는 클럭 데이터 복원 회로 및 위상 보간 방법
WO2016209290A1 (en) 2015-06-26 2016-12-29 Olympus Corporation Sampling rate synchronization between transmitters and receivers
KR101811221B1 (ko) 2016-02-17 2017-12-21 주식회사 이노와이어리스 신호 분석기의 ｗｃｄｍａ 신호 타이밍 오프셋 처리 방법
JP2017166930A (ja) * 2016-03-15 2017-09-21 株式会社東芝 レーダ装置、観測方法およびプログラム
KR102440335B1 (ko) * 2016-10-28 2022-09-02 삼성에스디에스 주식회사 이상 감지 관리 방법 및 그 장치
US20180324013A1 (en) * 2017-05-02 2018-11-08 MACOM Technology Solutions Holding, Inc. Phase interpolation calibration for timing recovery
US10999048B1 (en) * 2019-12-31 2021-05-04 Hughes Network Systems, Llc Superior timing synchronization using high-order tracking loops
CN113452501B (zh) * 2021-05-18 2022-06-17 鹏城实验室 时间同步中分数延时值确定方法、装置、终端及存储介质
CN113872566B (zh) * 2021-12-02 2022-02-11 成都星联芯通科技有限公司 带宽连续可调的调制滤波装置和方法

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US5724396A (en) * 1995-06-07 1998-03-03 Discovision Associates Signal processing system
US6633255B2 (en) * 1995-10-09 2003-10-14 Qualcomm Inc. Method for open loop tracking GPS signals
CN1162892A (zh) * 1996-02-27 1997-10-22 汤姆森消费电子有限公司 数字定时恢复系统中的振荡网络
US6313885B1 (en) * 1998-03-25 2001-11-06 Samsung Electronics Co., Ltd. DTV receiver with baseband equalization filters for QAM signal and for VSB signal which employ common elements
KR100346783B1 (ko) 1999-07-19 2002-08-01 한국전자통신연구원 보간 필터를 사용한 타이밍 복원장치 및 방법
JP3322246B2 (ja) 1999-07-21 2002-09-09 日本電気株式会社 パスサーチ装置および方法
US6483867B1 (en) * 1999-11-22 2002-11-19 Nokia Mobile Phones Ltd. Tracking loop realization with adaptive filters
EP1325561A4 (de) * 2000-09-18 2004-07-28 Skybitz Inc System und verfahren zur schnellen kodephasen- und trägerfrequenzerfassung in einem gps-empfänger
KR100488102B1 (ko) 2000-12-26 2005-05-09 엘지전자 주식회사 병렬 간섭제거기를 사용하는 채널추정 장치

Also Published As

Publication number Publication date
TW200415897A (en) 2004-08-16
MXPA05003548A (es) 2005-07-01
TWI381695B (zh) 2013-01-01
KR100875693B1 (ko) 2008-12-23
NO20052000D0 (no) 2005-04-25
TW200950450A (en) 2009-12-01
NO20052000L (no) 2005-06-22
CN100452694C (zh) 2009-01-14
JP2006502625A (ja) 2006-01-19
EP1552641A4 (de) 2006-03-22
TWI300661B (en) 2008-09-01
TW200733682A (en) 2007-09-01
TWI282684B (en) 2007-06-11
TW200507568A (en) 2005-02-16
WO2004032407A1 (en) 2004-04-15
KR20050062587A (ko) 2005-06-23
AR041468A1 (es) 2005-05-18
ES2295656T3 (es) 2008-04-16
EP1552641B1 (de) 2007-11-21
KR20050104424A (ko) 2005-11-02
US7206335B2 (en) 2007-04-17
AU2003279085A1 (en) 2004-04-23
EP1552641A1 (de) 2005-07-13
US20040120387A1 (en) 2004-06-24
CN1689265A (zh) 2005-10-26
DE60317697T2 (de) 2008-10-30
JP4237143B2 (ja) 2009-03-11
DE60317697D1 (de) 2008-01-03
CN101494533A (zh) 2009-07-29

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Legal Events

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EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 20090930